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Old 03-15-2008, 02:30 PM   #1
my01rs
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Default My Megasquirt success story

Well I finally posted up my megasquirt success story so I thought I'd put the link here in case my fellow subaru enthusiasts ever search for info on MS. I don't surf here much but I've found a lil info here and there. I'm a rs25 guy. Enjoy for what it's worth.

-Ian

http://www.msruns.com/viewtopic.php?...st=0&sk=t&sd=a
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Old 03-15-2008, 03:03 PM   #2
Jaxx
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any picts of the crank pickup setup

i am very curious what your map looks like
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Old 03-15-2008, 03:31 PM   #3
my01rs
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My buddy has the custom wheel pics. I'm going to compile all the pics and install info when I get a chance and update the success story until it's more of a diy guide.
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Old 03-15-2008, 06:31 PM   #4
JWX
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Why not just use the stock IACV?
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Old 03-15-2008, 07:05 PM   #5
my01rs
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Quote:
Originally Posted by JWX View Post
Why not just use the stock IACV?
Because on the ej20k, the iacv is huge and in the way of the bov if you want to upgrade from the weak jap tmic to the sti tmic I'm running. The iacv I used is an in line type so I made a flange to bolt to the oe location with a barb for a hose that goes to the iacv at the firewall.
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Old 03-15-2008, 08:50 PM   #6
Jaxx
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will the ms drive the ej20k IAC
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Old 03-16-2008, 04:43 PM   #7
my01rs
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Yes if you add the pwm idle control circuit which I had to do.
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Old 03-16-2008, 05:26 PM   #8
my01rs
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Made a vid of my sequential led shift lights in action last night. Of course when i finally got to doing it, the first led doesn't come on. Any who, here's the vid. I'll take another when I fix the first led. The led that's missing is in the 6500 hash mark.

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Old 03-18-2008, 02:27 PM   #9
kgb
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Coolness... working MS-I on a Subaru albeit with a standard trigger (24-1). Seems to be the easiest than to muck around with either 36-2-2-2 or 6/7 but since I need to run my stock ECU for OBD-II, I need to keep that trigger (I have 6/7). Had to goto MS2Extra because 6/7 required 2 hardware timers that is not available on the MS-I CPU even though I had code to support the trigger it's not going to be reliable. Still waiting for the GPIO board to make it a custom MS2Extra base board for pretty much a stock Subaru install (RS-T mind you on EJ251 no less - 10:1). You guys in Ontario or Quebec?
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Old 03-18-2008, 02:49 PM   #10
my01rs
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I'm in upper michigan
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Old 03-18-2008, 02:56 PM   #11
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IC - does the EJ20K use side-fed or top-fed injectors? Are the 660cc some modified STi injectors?
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Old 03-18-2008, 05:11 PM   #12
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They are old school sti side feeds
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Old 04-02-2008, 11:55 AM   #13
turboed22
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thanks man!! I will be putting one in my car in a couple months and this info will be very helpful!

So can you run a subaru IAC?
Can I get some details on the IAC you are running?
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Old 04-02-2008, 01:51 PM   #14
my01rs
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You can use your oem iacv. I have an ej20k with the iacv in a stupid spot on the manifold. The oem placement does not allow the use of the usdm sti tmic. I used an in-line style iacv to remote mount it. Some german unit. Bosch most likely. The oem one is PWM so you'll be fine with it.
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Old 04-24-2008, 08:57 PM   #15
ChicksDigWagons
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Liar, I don't ACTUALLY have any pics of the completed wheel...

I will get some after Ver.2!

The non-stepper Subaru IACs are no problem with MS. With the stepper motors I don't know if they can be made to work with the MS2 or not.
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Old 04-24-2008, 10:16 PM   #16
my01rs
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Well who makes a custom wheel and fails to take a picture of it? You would be the correct answer -
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Old 04-25-2008, 09:21 AM   #17
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Quote:
Originally Posted by ChicksDigWagons View Post
Liar, I don't ACTUALLY have any pics of the completed wheel...

I will get some after Ver.2!

The non-stepper Subaru IACs are no problem with MS. With the stepper motors I don't know if they can be made to work with the MS2 or not.
Which Subarus used a stepper motor?
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Old 04-25-2008, 10:36 AM   #18
danotakulus
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it's nice to know that people are using megasquirt. I read a lot about it, and it sounds like some project.
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Old 04-29-2008, 03:07 AM   #19
ChicksDigWagons
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Quote:
Originally Posted by JWX View Post
Which Subarus used a stepper motor?
You know, I thought some of the newer ones did. But after looking a little closer it appears that people with newer subarus just don't know what they are talking about when discussing IAC.

Can't find any examples so scratch that previous comment.

As you can see, contrary to most folk on here my Subaru knowledge starts at about 1990 and ends at 2000. I like to limit myself to 10 years
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Old 04-29-2008, 09:25 AM   #20
my01rs
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Just came to the realization I had the way wrong spark plug gap. Like close to .040 !! I just put in some new one step colder ngk coppers gapped to .028 and holy ****. I was being robbed.
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Old 04-30-2008, 09:42 AM   #21
JWX
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Quote:
Originally Posted by ChicksDigWagons View Post
You know, I thought some of the newer ones did. But after looking a little closer it appears that people with newer subarus just don't know what they are talking about when discussing IAC.

Can't find any examples so scratch that previous comment.

As you can see, contrary to most folk on here my Subaru knowledge starts at about 1990 and ends at 2000. I like to limit myself to 10 years
Yea, its not just the Subaru guys who like to throw that term around. I've heard pretty much any IACV called a stepper before.
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Old 02-01-2023, 05:00 PM   #22
Georgi.N
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Can you send the .msq because i want to check some things with my 20K.
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